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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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Plastic deformation was introduced to the austenitic (γ) stainless steel of SS304 by air blast shot peening, ultrasonic shot peening, and ultrasonic nanocrystalline surface modification. Various deformation structures were formed. The hardness, the deformation structure and the underlying grain refinement mechanism were investigated. In the deformed region, planar dislocation arrays and deformation twin (DT), the DT-DT intersection and ε-martensite structures, and α'-martensite were formed in the respective regions of low, medium, and high strain. The grain refinement mechanism is found to be closely related to the 1) sub-division of coarse grains by DT, shear bands and their intersection, and 2) formation of nano-sized α'-martensite due to the high plastic deformation.
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참고문헌 (24)
참고문헌 신청
Amanov A / 2012 / Microdimpled surface by ultrasonic nanocrystal surface modification and its tribological effects / Wear 286-287 : 136 ~ 144
Chen A Y / 2011 / The influence of strain rate on the microstructure transition of 304stainless steel / Acta Mater 59 : 3697 ~ 3709
Datta K / 2009 / A low-temperature study to examine the role of ε-martensite during strain-induced transformations in metastable austenitic stainless steels / Acta Mater 57
Du H / 2009 / One way of surface alloying treatment on iron surface based on surface mechanical attrition treatment and heat treatment / Appl. Surf. Sci 255 : 8660 ~ 8666
Gleiter H / 2000 / Nanostructured materials: basic concepts and microstructure / Acta Mater 48 : 1 ~ 29
Chen A Y / 2011 / The influence of strain rate on the microstructure transition of 304stainless steel / Acta Mater 59 : 3697 ~ 3709
Datta K / 2009 / A low-temperature study to examine the role of ε-martensite during strain-induced transformations in metastable austenitic stainless steels / Acta Mater 57
Du H / 2009 / One way of surface alloying treatment on iron surface based on surface mechanical attrition treatment and heat treatment / Appl. Surf. Sci 255 : 8660 ~ 8666
Gleiter H / 2000 / Nanostructured materials: basic concepts and microstructure / Acta Mater 48 : 1 ~ 29
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